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Finding the Fourth Proportional to 60,068.79, 82,890.84 and 33,207.66

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Solution

The fourth proportional to 60,068.79, 82,890.84 and 33,207.66 is: 45,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,068.79 : 82,890.84 = 33,207.66 : x
  2. Step 2: Convert to fraction form
    60,068.79/82,890.84 = 33,207.66/x
  3. Step 3: Cross multiply
    60,068.79x = 82,890.84 × 33,207.66
  4. Step 4: Simplify right side
    60,068.79x = 2,752,610,831.83
  5. Step 5: Solve for x
    x = 2,752,610,831.83/60,068.79
  6. Step 6: Final answer
    x = 45,824.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.